Ulachan-Sis (Jana Indigirka Lowlands)
| Ulachan-Sis-Comb (Ulachan-Sis) |
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|---|---|---|
| Highest peak | nameless summit ( 496 m ) | |
| location | Sakha Republic (Yakutia) ( Russia ) | |
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| Coordinates | 70 ° 24 ' N , 134 ° 23' E | |
The Ulachan-Sis ridge ( Russian Хребет Улахан-Сис ), also just called Ulachan-Sis (Улахан-Сис), is up to 496 m high, about 100 km long and in the northeast of the Sakha Republic (Yakutia) , of Siberia and Russia ( Asia ) located mountain range , which joins the Jana Indigirka lowlands as the foothills of the East Siberian mountains .
Geographical location
The Ulachan Sis ridge is a rocky mountain range on average around 440 km north of the Arctic Circle in the north-western part of the East Siberian mountains . It strikes in a south-north direction in the hilly area there, especially the Jana and, much further east, the Jana-Indigirka lowlands flowed through by the Indigirka , the western part of the East Siberian lowlands , which in turn are west, south and east of the East Siberian mountainous region and is surrounded to the north by the Laptev Sea (Rand Sea of the Arctic Ocean ).
The chain is located as the northern foothills of the Kulargebirge west of the Jana and east of the Ulachan Kjuegjuljur (right tributary of the Omoloi ). Its highest mountain is an unnamed elevation ( 496 m ) in the southern part of the chain.
Flora and fauna
Due to the proximity of the Arctic Laptev Sea, permafrost prevails in the Ulachan-Sis ridge with vegetation of mosses and lichens typical of the tundra . In the lower regions, boreal coniferous forests (taiga) grow from larch in some areas .
Localities
The interior of the Ulachan Sis ridge is uninhabited. However, the former mining settlements Entusiastow , Kular and Vlasow , whose mining sites were closed in 1998, are in its northern foothills , and to the east on the Jana is Severny .
Web links
- Article Ulachan-Sis in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)
Individual evidence
- ↑ Maximum height of the mountain range according to the topographic map (1: 200,000, p. R-53XV, XVI, edition 1989)